Switch from Guava Optionals to Java 8 Optionals

This was a surprisingly involved change. Some of the difficulties included
java.util.Optional purposely not being Serializable (so I had to move a
few Optionals in mapreduce classes to @Nullable) and having to add the Truth
Java8 extension library for assertion support.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=171863777
This commit is contained in:
mcilwain 2017-10-11 13:09:26 -07:00 committed by jianglai
parent 184b2b56ac
commit c0f8da0c6e
581 changed files with 1325 additions and 932 deletions

View file

@ -21,7 +21,6 @@ import static google.registry.util.DomainNameUtils.canonicalizeDomainName;
import static javax.servlet.http.HttpServletResponse.SC_BAD_REQUEST;
import com.google.common.base.Joiner;
import com.google.common.base.Optional;
import com.google.common.io.CharStreams;
import com.google.common.net.InetAddresses;
import com.google.common.net.InternetDomainName;
@ -31,6 +30,7 @@ import java.io.IOException;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import javax.inject.Inject;
import org.joda.time.DateTime;